IGCSE A Level Chemistry Online Tests
Group VII Elements and Reactions MCQ (Multiple Choice Questions) PDF Download
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Group VII Elements and Reactions MCQs PDF: Questions Answers Download
The percentage of a sample of HBr decomposes at 430 °C. is
- 0.2
- 0.1
- 0.22
- 0.11
Down the group, the hydrogen halides could be
- more stable
- less thermally stable
- more reactive
- less reactive
Halogens dissolve well in
- pentane
- ethane
- cyclohexane
- water
Oxidation of hydrogen halides become easier going
- across the periods (left to right)
- down the groups
- up the groups
- across the period (right to left)
Halogens react with hydrogen gas to form
- hydrogen halides
- hyoxl
- hydrochloric acid
- none of above
IGCSE A Level Chemistry Practice Tests
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